[
https://issues.apache.org/jira/browse/COLLECTIONS-308?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12659074#action_12659074
]
Stephen Colebourne commented on COLLECTIONS-308:
------------------------------------------------
There is no way to 'fix' this in commons-collections - its the nature of
transform() to alter the input collection.
The only change to make is to add some javadoc.
> CollectionUtils.transform fails when collection is HashMap$Values
> -----------------------------------------------------------------
>
> Key: COLLECTIONS-308
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-308
> Project: Commons Collections
> Issue Type: Bug
> Components: Collection
> Affects Versions: 3.2
> Environment: Ubuntu
> Reporter: Lluís Martínez
> Priority: Minor
>
> I'm trying to apply a transformation to all values in a map :
> Collection values = map.values();
> CollectionUtils.transform(values, transformer);
> Gives a java.lang.UnsupportedOperationException in CollectionUtils line 439.
> According to Javadoc the method values of Hashmap "does not support the add
> or addAll operations.".
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
